Just finish my science test.. feeling generous so here.. there just internet points. Have a great day. If you report I will question your existence...:)

*will mark brainliest to first correct answer* photosynthesis led to increasing levels during the later proterozoic eon? a. oxygen b. water c. carbon dioxide d. none of the above

The rate at which molecules water and oxygen can enter a cell is determined by the-

Anton created a chart listing different types of materials. which best complete the chart?